Home / 1,894.18-2,841.28-1,162.45

Finding the Fourth Proportional to 1,894.18, 2,841.28 and 1,162.45

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Solution

The fourth proportional to 1,894.18, 2,841.28 and 1,162.45 is: 1,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.18 : 2,841.28 = 1,162.45 : x
  2. Step 2: Convert to fraction form
    1,894.18/2,841.28 = 1,162.45/x
  3. Step 3: Cross multiply
    1,894.18x = 2,841.28 × 1,162.45
  4. Step 4: Simplify right side
    1,894.18x = 3,302,845.94
  5. Step 5: Solve for x
    x = 3,302,845.94/1,894.18
  6. Step 6: Final answer
    x = 1,743.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.